Decimals: Adding and subtracting

In this lesson, students learn about place value and how it extends beyond whole numbers. Students play a board game that draws on their knowledge of adding decimals to tenths, hundredths and thousandths with and without regrouping.

Additional details

Year level(s) Year 6
Audience Teacher
Purpose Teaching resource
Format Web page
Teaching strategies and pedagogical approaches Differentiated teaching, Explicit teaching, Concrete Representational Abstract model
Keywords hundredths, tenths, thousandths, place value, Maths Hub lesson plan

Curriculum alignment

Strand and focus Number, Measurement
Topics Decimals, Place value
AC: Mathematics (V9.0) content descriptions
Apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers

Multiply and divide decimals by multiples of powers of 10 without a calculator, applying knowledge of place value and proficiency with multiplication facts; using estimation and rounding to check the reasonableness of answers

Convert between common metric units of length, mass and capacity; choose and use decimal representations of metric measurements relevant to the context of a problem

Numeracy progression Number and place value (P8, P9)
Additive strategies (P9)
Multiplicative strategies (P9)
Understanding units of measurement (P8)

Copyright details


Commonwealth of Australia


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